Between 1998 and 2015, the Consumer Price Index went from 163 to 237.017.
Cumulatively, prices increased 45.4%, which works out to an average of
2.23% per year. Put differently, a dollar in 1998 bought what
$0.69 buys in 2015.
Common amounts: 1998 dollars in 2015
Amount in 1998
Value in 2015
$1.00
$1.45
$5.00
$7.27
$10.00
$14.54
$20.00
$29.08
$50.00
$72.70
$100
$145
$500
$727
$1,000
$1,454
$5,000
$7,270
$10,000
$14,541
$100,000
$145,409
$1,000,000
$1,454,092
Inflation by spending category, 1998–2015
The headline number is an average. Individual categories moved very differently over this
period. Here is what $100 of 1998 spending costs in 2015, by category:
MLA: “Inflation from 1998 to 2015: $100 is worth $145 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1998-to-2015/
APA: InflationCalculator.com. Inflation from 1998 to 2015. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1998-to-2015/